71 lines
1.8 KiB
Elixir
71 lines
1.8 KiB
Elixir
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defmodule StringSeriesTest do
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use ExUnit.Case
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test "slices of size 1 from one" do
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assert StringSeries.slices("1", 1) == ["1"]
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end
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test "slices of size 1 from two" do
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assert StringSeries.slices("12", 1) == ["1", "2"]
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end
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test "slices of size 1 from more" do
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assert StringSeries.slices("01234", 1) == ["0", "1", "2", "3", "4"]
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end
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test "slices of size 2" do
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assert StringSeries.slices("35", 2) == ["35"]
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end
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test "slices of size 2 overlap" do
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assert StringSeries.slices("9142", 2) == ["91", "14", "42"]
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end
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test "slices of size 2 from more" do
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assert StringSeries.slices("01234", 2) == ["01", "12", "23", "34"]
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end
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test "slices of size 3" do
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assert StringSeries.slices("01234", 3) == ["012", "123", "234"]
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end
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test "slices of size 4" do
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assert StringSeries.slices("01234", 4) == ["0123", "1234"]
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end
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test "slices include duplicates" do
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assert StringSeries.slices("777777", 3) == ["777", "777", "777", "777"]
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end
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test "slices of a long series" do
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assert StringSeries.slices("918493904243", 5) == [
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"91849",
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"18493",
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"84939",
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"49390",
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"93904",
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"39042",
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"90424",
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"04243"
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]
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end
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test "slices same size as string" do
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assert StringSeries.slices("01234", 5) == ["01234"]
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end
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test "Unicode characters count as a single character" do
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assert StringSeries.slices("José", 1) == ["J", "o", "s", "é"]
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assert StringSeries.slices("José", 2) == ["Jo", "os", "sé"]
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end
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test "slices with size longer than string return empty list" do
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assert StringSeries.slices("01234", 6) == []
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end
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test "slices with size zero or negative return empty list" do
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assert StringSeries.slices("01234", -1) == []
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assert StringSeries.slices("01234", 0) == []
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end
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end
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